#include <opencv2/opencv.hpp>
#include <iostream>

using namespace  cv;
using namespace std;

int main10(){
    Mat im=imread("D:\\bear.jpg");
    Mat out;
    resize(im,out,Size(800,600));
    imshow("im",im);
    imshow("out",out);
    im.resize(800);
    imshow("resize",im);

    waitKey(0);
    return 0;


}